Spero Therapeutics, Inc.

SPRO Healthcare Biotechnology

Spero Therapeutics, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $66.8 million, up 39.2% from fiscal 2024. In the quarter to June 2026, revenue fell 95.6%, EPS fell 433.3% and free cash flow grew 69.7%, each against the same quarter a year earlier. Dividend growth for five consecutive years.

1.10 0.03 −2.65%
Market cap
$65.8M
P/E
7.9×
Fwd P/E
4.2×
Dividend yield
—
F-score
5/9
Altman Z
1.04
Beneish M
−1.00
Dividend safety
n/a
Older periods Sep '25 Dec '25 Mar '26 Jun '26
Piotroski F-Score

+8 more TTM periods

3 5 6 —
ROE
(95.29%) 16.31% 35.12% 19.17%
ROA
(46.31%) 9.55% 22.28% 12.85%
ROIC
0.00% 21.04% 0.00% 0.00%
Return on Tangible Assets
(113.35%) 14.67% 29.23% 17.11%
Average Days of Receivables
22.13 138.71 0.26 0.00
Free Cash Flow per Share
(0.49) (0.23) 0.13 0.34
Free Cash Flow
(27.67) (12.62) 7.24 19.58
Other line items
Cash ROIC
(36.84%) (12.71%) 6.64% 20.62%
Accounts Receivable Turnover
1.45 1.72 5.03 0.00
Accounts Payable Turnover
0.00 0.00 0.00 0.00
Average Days of Payables
0.00 0.00 0.00 0.00
Tax Rate
0.00 0.00 0.00 0.00
Research and Development Expense of Revenue
152.19% 57.58% 45.39% 0.00%
Selling, General and Administrative Expense of Revenue
59.02% 31.70% 31.44% 0.00%
Share Based Compensation of Revenue
11.89% 6.47% 6.35% 0.00%
Operating CF/Net income
0.63 (1.47) 0.48 2.65
Revenue per Share
0.72 1.19 1.07 0.00
Operating CF per Share
(0.49) (0.23) 0.13 0.34
Capex per Share
0.00 0.00 0.00 0.00
Capex to Sales
0.00 0.00 0.00 —

Fold the line items

Columns are period end dates